Inconel Plates | Superior Corrosion & High-Temperature Resistance for Industrial Applications
In industries challenged daily by corrosive chemicals, high temperatures, and aggressive environments, selecting the right material is critical for operational success and asset longevity. A chemical plant battling frequent failures in acid handling switched to Inconel Plates, transforming uptime and safety. Aurico Alloys LLP proudly supplies these high-performance plates trusted by engineers, procurement heads, fabricators, and OEM manufacturers in chemical, oil & gas, marine, pharmaceutical, and power generation sectors worldwide.
Table of Contents:
Why Choose Inconel Plates for Your Critical Projects?
Inconel is a family of nickel-chromium alloys rather than a single material, and on a plate order the grade is the decision. Aurico Alloys LLP supplies Inconel plate in nine of them: the general-purpose corrosion grades 625 and 600, the aluminium-bearing 601, the creep-resistant 617, the high-molybdenum 686, the high-chromium 690, the metal-dusting-resistant 693, the age-hardened 718 and the spring grade X-750. They resist oxidation, pitting, crevice corrosion and stress corrosion cracking in aggressive chemical and marine service, which is what makes them the material for heat exchangers, reactors and pollution control equipment. Each is rolled to the flat-product standard written for it, and those are listed grade by grade below.
The unique chemical composition, rich in molybdenum and chromium, synergizes to create passive oxide films that shield components from both acid attacks and chloride-induced damage. Inconel plates provide enhanced weldability and high tensile strength, optimizing fabrication and field repair processes while maintaining integrity under cyclic and thermal stresses.
Aurico Alloys LLP guarantees delivery of certified Inconel Plates with comprehensive ASTM, ISO, and NACE MR0175 documentation. Backed by extensive stocking and custom processing capabilities, we ensure that your projects receive authentic, top-quality materials on schedule.
High-quality Inconel Plates ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP |
|---|---|
| Grades | Inconel 625, 600, 601, 617, 686, 690, 693, 718 and X-750 |
| Standards | One plate, sheet and strip specification per grade – listed in Equivalent Grades & Standards below. Inspection certificates to EN 10204. |
| Thickness Range | 4.75 mm – 150 mm |
| Width Range | 10 mm – 2000 mm |
| Finish | Hot rolled, cold rolled, pickled, annealed |
| Forms | Sheets, plates, coils |
| Certification | Full MTC, RoHS, REACH, NACE MR0175 compliance |
| Price | INR 2,500 – 10,000 per kg. Indicative USD 29 – 118 per kg; quoted against grade, form, size and quantity. |
Inconel Plate Grades Supplied
Each grade below has its own plate page carrying that grade’s size range, properties and the specification written for it. Inconel 725, 751 and 783 are not made in this form; their own pages list the forms they are supplied in.
| Grade | Chosen for |
|---|---|
| Inconel 625 Plates | The general-purpose grade; seawater, chemical and marine |
| Inconel 600 Plates | Heat and oxidation resistance, chloride stress corrosion |
| Inconel 601 Plates | Aluminium added for higher oxidation resistance |
| Inconel 617 Plates | Creep strength above 900 °C |
| Inconel 686 Plates | Higher molybdenum and tungsten for severe wet corrosion |
| Inconel 690 Plates | High chromium for nuclear steam generator service |
| Inconel 693 Plates | Metal dusting resistance in syngas and reformer service |
| Inconel 718 Plates | The workhorse; strength to about 700 °C and weldable |
| Inconel X-750 Plates | Age-hardened spring and high-temperature bolting grade |
Equivalent Grades & Standards
Inconel 625
| Property | Value |
|---|---|
| UNS number | N06625 |
| Werkstoff / EN number | 2.4856 |
| Density | 8.44 g/cm3 |
| Melting range | 1290-1350 °C |
| Specific heat (21 °C) | 410 J/kg·°C |
| Plate, sheet and strip specification | ASTM B443 / AMS 5599 / 5869 |
Identifiers and physical constants for Inconel 625. A dash means no such designation is published for this grade.
Inconel 600
| Property | Value |
|---|---|
| UNS number | N06600 |
| Werkstoff / EN number | 2.4816 |
| Density | 8.47 g/cm3 |
| Melting range | 1354-1413 °C |
| Specific heat | 444 J/kg·°C |
| Electrical resistivity | 1.03 µΩ·m |
| Curie temperature | -124 °C |
| Magnetic permeability (at 200 oersted / 15.9 kA/m) | 1.010 |
| Plate, sheet and strip specification | ASTM B168 / AMS 5540 |
Identifiers and physical constants for Inconel 600. A dash means no such designation is published for this grade.
Inconel 601
| Property | Value |
|---|---|
| UNS number | N06601 |
| Werkstoff / EN number | 2.4851 |
| Density | 8.11 g/cm3 |
| Melting range | 1360-1411 °C |
| Specific heat (21 °C) | 448 J/kg·°C |
| Magnetic permeability (200 oersted at 24 °C) | 1.003 |
| Magnetic permeability (200 oersted at -78 °C) | 1.004 |
| Magnetic permeability (200 oersted at -196 °C) | 1.016 |
| Curie temperature | < -196 °C |
| Plate, sheet and strip specification | ASTM B168 / AMS 5870 |
Identifiers and physical constants for Inconel 601. A dash means no such designation is published for this grade.
Inconel 617
| Property | Value |
|---|---|
| UNS number | N06617 |
| Werkstoff / EN number | 2.4663 |
| Density | 8.36 g/cm3 |
| Melting range | 1332-1380 °C |
| Specific heat (26 °C) | 419 J/kg·°C |
| Electrical resistivity (26 °C) | 1.22 µΩ·m |
| Plate, sheet and strip specification | ASTM B168 / AMS 5888 / 5889 |
Identifiers and physical constants for Inconel 617. A dash means no such designation is published for this grade.
Inconel 686
| Property | Value |
|---|---|
| UNS number | N06686 |
| Werkstoff / EN number | 2.4606 |
| Density | 8.73 g/cm3 |
| Melting range | 1338-1380 °C |
| Electrical resistivity | 1.237 µΩ·m |
| Magnetic permeability (at 200 oersted / 15.9 kA/m) | 1.0001 |
| Plate, sheet and strip specification | ASTM B575 / B906 |
Identifiers and physical constants for Inconel 686. A dash means no such designation is published for this grade.
Inconel 690
| Property | Value |
|---|---|
| UNS number | N06690 |
| Werkstoff / EN number | 2.4642 |
| Density | 8.19 g/cm3 |
| Melting range | 1343-1377 °C |
| Specific heat | 450 J/kg·°C |
| Electrical resistivity | 1.148 µΩ·m |
| Magnetic permeability (at 200 oersted / 15.9 kA/m) | 1.001 |
| Young's modulus | 211 GPa |
| Poisson's ratio | 0.289 |
| Plate, sheet and strip specification | ASTM B168 / B906 |
Identifiers and physical constants for Inconel 690. A dash means no such designation is published for this grade.
Inconel 693
| Property | Value |
|---|---|
| UNS number | N06693 |
| Density | 7.77 g/cm3 |
| Melting range | 1317-1367 °C |
| Electrical resistivity | 1.168 µΩ·m |
| Plate, sheet and strip specification | ASTM B168 / B906 |
Identifiers and physical constants for Inconel 693. A dash means no such designation is published for this grade.
Inconel 718
| Property | Value |
|---|---|
| UNS number | N07718 |
| Werkstoff / EN number | 2.4668 |
| Density | 8.19 g/cm3 |
| Melting range | 1260-1336 °C |
| Density (annealed and aged) | 0.297 lb/in³ (bulletin publishes no SI value for this condition) |
| Specific heat (21 °C) | 435 J/kg·°C |
| Curie temperature (annealed) | < -196 °C |
| Curie temperature (annealed and aged) | -112 °C |
| Magnetic permeability (200 oersted at 21 °C - annealed) | 1.0013 |
| Magnetic permeability (200 oersted at 21 °C - annealed and aged) | 1.0011 |
| Plate, sheet and strip specification | ASTM B670 / B906 / AMS 5596 / 5597 |
Identifiers and physical constants for Inconel 718. A dash means no such designation is published for this grade.
Inconel X-750
| Property | Value |
|---|---|
| UNS number | N07750 |
| Werkstoff / EN number | 2.4669 |
| Density | 8.28 g/cm3 |
| Melting range | 1393-1427 °C |
| Curie temperature (as hot-rolled) | -225 °F (bulletin publishes no SI value) |
| Curie temperature (triple-heat-treated) | -193 °F (bulletin publishes no SI value) |
| Magnetic permeability (200 oersted at 21 °C - as hot-rolled) | 1.0020 |
| Magnetic permeability (200 oersted at 21 °C - triple-heat-treated) | 1.0035 |
| Emissivity (oxidised surface at 316 °C / 600 °F) | 0.895 |
| Emissivity (oxidised surface at 1093 °C / 2000 °F) | 0.925 |
| Linear contraction on precipitation treatment (704 °C / 1300 °F for 20 h - hot-rolled) | 0.00044 in/in |
| Linear contraction on precipitation treatment (704 °C / 1300 °F for 20 h - 20% cold-rolled) | 0.00052 in/in |
| Linear contraction on precipitation treatment (704 °C / 1300 °F for 20 h - annealed) | 0.00026 in/in |
| Plate, sheet and strip specification | AMS 5542 / 5598 |
Identifiers and physical constants for Inconel X-750. A dash means no such designation is published for this grade.
Stock & Product Availability
Aurico Alloys LLP maintains inventories of Inconel plate across the nine grades listed above, in multiple sizes and finishes for fast global dispatch. Customized dimensions and documentation are handled with expertise for critical chemical, oil & gas, marine, pharma, and power generation projects.
Chemical Composition
Inconel 625
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 58.0 | — |
| Chromium (Cr) | 20.0 | 23.0 |
| Iron (Fe) | — | 5.0 |
| Molybdenum (Mo) | 8.0 | 10.0 |
| Niobium + Tantalum (Nb+Ta) | 3.15 | 4.15 |
| Carbon (C) | — | 0.10 |
| Manganese (Mn) | — | 0.50 |
| Silicon (Si) | — | 0.50 |
| Phosphorus (P) | — | 0.015 |
| Sulfur (S) | — | 0.015 |
| Aluminium (Al) | — | 0.40 |
| Titanium (Ti) | — | 0.40 |
| Cobalt (Co) | — | 1.0 (if determined) |
Composition limits for Inconel 625. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Inconel 600
| Element | Min (%) | Max (%) |
|---|---|---|
| Ni+Co | 72.0 | — |
| Chromium (Cr) | 14.0 | 17.0 |
| Iron (Fe) | 6.0 | 10.0 |
| Carbon (C) | — | 0.15 |
| Manganese (Mn) | — | 1.0 |
| Sulfur (S) | — | 0.015 |
| Silicon (Si) | — | 0.50 |
| Copper (Cu) | — | 0.50 |
Composition limits for Inconel 600. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Inconel 601
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 58.0 | 63.0 |
| Chromium (Cr) | 21.0 | 25.0 |
| Iron (Fe) | — | Balance |
| Aluminium (Al) | 1.0 | 1.7 |
| Carbon (C) | — | 0.10 |
| Manganese (Mn) | — | 1.0 |
| Sulfur (S) | — | 0.015 |
| Silicon (Si) | — | 0.50 |
| Copper (Cu) | — | 1.0 |
Composition limits for Inconel 601. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Inconel 617
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 44.5 | — |
| Chromium (Cr) | 20.0 | 24.0 |
| Cobalt (Co) | 10.0 | 15.0 |
| Molybdenum (Mo) | 8.0 | 10.0 |
| Aluminium (Al) | 0.8 | 1.5 |
| Carbon (C) | 0.05 | 0.15 |
| Iron (Fe) | — | 3.0 |
| Manganese (Mn) | — | 1.0 |
| Silicon (Si) | — | 1.0 |
| Sulfur (S) | — | 0.015 |
| Titanium (Ti) | — | 0.6 |
| Copper (Cu) | — | 0.5 |
| Boron (B) | — | 0.006 |
Composition limits for Inconel 617. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Inconel 686
| Element | Min (%) | Max (%) |
|---|---|---|
| Chromium (Cr) | 19.0 | 23.0 |
| Molybdenum (Mo) | 15.0 | 17.0 |
| Tungsten (W) | 3.0 | 4.4 |
| Titanium (Ti) | 0.02 | 0.25 |
| Iron (Fe) | — | 2.0 |
| Carbon (C) | — | 0.01 |
| Manganese (Mn) | — | 0.75 |
| Sulfur (S) | — | 0.02 |
| Silicon (Si) | — | 0.08 |
| Phosphorus (P) | — | 0.04 |
| Nickel (Ni) | — | Balance |
Composition limits for Inconel 686. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Inconel 690
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 58.0 | — |
| Chromium (Cr) | 27.0 | 31.0 |
| Iron (Fe) | 7.0 | 11.0 |
| Carbon (C) | — | 0.05 |
| Silicon (Si) | — | 0.50 |
| Manganese (Mn) | — | 0.50 |
| Sulfur (S) | — | 0.015 |
| Copper (Cu) | — | 0.50 |
Composition limits for Inconel 690. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Inconel 693
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | — | Balance (determined arithmetically by difference) |
| Chromium (Cr) | 27.0 | 31.0 |
| Iron (Fe) | 2.5 | 6.0 |
| Aluminium (Al) | 2.5 | 4.0 |
| Niobium (Nb) | 0.5 | 2.5 |
| Manganese (Mn) | — | 1.0 |
| Titanium (Ti) | — | 1.0 |
| Copper (Cu) | — | 0.5 |
| Silicon (Si) | — | 0.5 |
| Carbon (C) | — | 0.15 |
| Sulfur (S) | — | 0.01 |
Composition limits for Inconel 693. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Inconel 718
| Element | Min (%) | Max (%) |
|---|---|---|
| Ni+Co | 50.0 | 55.0 |
| Chromium (Cr) | 17.0 | 21.0 |
| Iron (Fe) | — | Balance |
| Niobium + Tantalum (Nb+Ta) | 4.75 | 5.50 |
| Molybdenum (Mo) | 2.80 | 3.30 |
| Titanium (Ti) | 0.65 | 1.15 |
| Aluminium (Al) | 0.20 | 0.80 |
| Cobalt (Co) | — | 1.0 |
| Copper (Cu) | — | 0.30 |
| Carbon (C) | — | 0.08 |
| Manganese (Mn) | — | 0.35 |
| Silicon (Si) | — | 0.35 |
| Phosphorus (P) | — | 0.015 |
| Sulfur (S) | — | 0.015 |
| Boron (B) | — | 0.006 |
Composition limits for Inconel 718. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Inconel X-750
| Element | Min (%) | Max (%) |
|---|---|---|
| Ni+Co | 70.0 | — |
| Chromium (Cr) | 14.0 | 17.0 |
| Iron (Fe) | 5.0 | 9.0 |
| Titanium (Ti) | 2.25 | 2.75 |
| Niobium + Tantalum (Nb+Ta) | 0.70 | 1.20 |
| Aluminium (Al) | 0.40 | 1.00 |
| Cobalt (Co) | — | 1.0 (determination not required for routine acceptance) |
| Copper (Cu) | — | 0.50 |
| Carbon (C) | — | 0.08 |
| Manganese (Mn) | — | 1.0 |
| Silicon (Si) | — | 0.50 |
| Sulfur (S) | — | 0.010 |
Composition limits for Inconel X-750. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Mechanical Properties
Density and melting range for all nine grades are in the Equivalent Grades & Standards tables above, each read off the mill bulletin named beneath it.
Tensile strength, yield strength and elongation are properties of a grade in a condition rather than of the family – an age-hardened 718 plate and an annealed 600 plate are not comparable numbers, and the same grade differs by thickness and temper – so each grade's own plate page publishes its figures. The mill test certificate supplied with your order states the results for the material you receive.
Applications & Benefits
- Chemical reactors, heat exchangers, and pollution control systems
- Oil & Gas sour gas handling and acid gas removal
- Marine seawater systems including piping, pumps, and condensers
- Pharmaceutical production equipment and sterilizers
- Power generating boilers, superheaters, and nuclear reactor components
FAQs & Industry Insights
Global Export Destinations
We ship worldwide from Mumbai. See every destination we export to on our export markets page.
Domestic Supply Network
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
Aurico Alloys LLP’s Inconel Plates combine certified quality, superior corrosion resistance, and strength essential for demanding industrial operations. Are you ready to integrate Aurico’s trusted Inconel Plates into your critical projects for assured safety and efficiency?